// for of

const arr = [12, 13, 14, 15]
for (const val of arr) {
    console.log(val)
}

const set = new Set("321", "321321")
for (const val of set) {
    console.log(val)
}

const mp = new Map()
mp.set("fd", 1354)
mp.set("bar", 45678)

for (const [key, val] of mp) {
    console.log(key, val)
}

